X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fxforms%2Fcount.c;h=172a5e2c6d19238f692beb29c0d6388304a42eed;hb=81579d9e9f994fb2908f50af41c3eb033d216e58;hp=77595c8f80d2b90b77f7ee8e925ad8e3b3065b19;hpb=f5c108becd49d78f4898cab11352291f5689d24e;p=pspp-builds.git

diff --git a/src/language/xforms/count.c b/src/language/xforms/count.c
index 77595c8f..172a5e2c 100644
--- a/src/language/xforms/count.c
+++ b/src/language/xforms/count.c
@@ -1,40 +1,38 @@
-/* PSPP - computes sample statistics.
-   Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 1997-9, 2000, 2009, 2010, 2011 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or
-   modify it under the terms of the GNU General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #include <config.h>
 
 #include <stdlib.h>
 
-#include <data/case.h>
-#include <data/dictionary.h>
-#include <data/procedure.h>
-#include <data/transformations.h>
-#include <data/variable.h>
-#include <language/command.h>
-#include <language/lexer/lexer.h>
-#include <language/lexer/range-parser.h>
-#include <language/lexer/variable-parser.h>
-#include <libpspp/alloc.h>
-#include <libpspp/compiler.h>
-#include <libpspp/message.h>
-#include <libpspp/message.h>
-#include <libpspp/pool.h>
-#include <libpspp/str.h>
+#include "data/case.h"
+#include "data/dictionary.h"
+#include "data/procedure.h"
+#include "data/transformations.h"
+#include "data/variable.h"
+#include "language/command.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/value-parser.h"
+#include "language/lexer/variable-parser.h"
+#include "libpspp/compiler.h"
+#include "libpspp/message.h"
+#include "libpspp/pool.h"
+#include "libpspp/str.h"
+
+#include "gl/xalloc.h"
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
@@ -116,7 +114,7 @@ cmd_count (struct lexer *lexer, struct dataset *ds)
       /* Get destination variable, or at least its name. */
       if (!lex_force_id (lexer))
 	goto fail;
-      dv->var = dict_lookup_var (dataset_dict (ds), lex_tokid (lexer));
+      dv->var = dict_lookup_var (dataset_dict (ds), lex_tokcstr (lexer));
       if (dv->var != NULL)
         {
           if (var_is_alpha (dv->var))
@@ -126,10 +124,10 @@ cmd_count (struct lexer *lexer, struct dataset *ds)
             }
         }
       else
-        dv->name = pool_strdup (trns->pool, lex_tokid (lexer));
+        dv->name = pool_strdup (trns->pool, lex_tokcstr (lexer));
 
       lex_get (lexer);
-      if (!lex_force_match (lexer, '='))
+      if (!lex_force_match (lexer, T_EQUALS))
 	goto fail;
 
       crit = dv->crit = pool_alloc (trns->pool, sizeof *crit);
@@ -145,7 +143,7 @@ cmd_count (struct lexer *lexer, struct dataset *ds)
 	    goto fail;
           pool_register (trns->pool, free, crit->vars);
 
-	  if (!lex_force_match (lexer, '('))
+	  if (!lex_force_match (lexer, T_LPAREN))
 	    goto fail;
 
           crit->value_cnt = 0;
@@ -156,16 +154,16 @@ cmd_count (struct lexer *lexer, struct dataset *ds)
 	  if (!ok)
 	    goto fail;
 
-	  if (lex_token (lexer) == '/' || lex_token (lexer) == '.')
+	  if (lex_token (lexer) == T_SLASH || lex_token (lexer) == T_ENDCMD)
 	    break;
 
 	  crit = crit->next = pool_alloc (trns->pool, sizeof *crit);
 	}
 
-      if (lex_token (lexer) == '.')
+      if (lex_token (lexer) == T_ENDCMD)
 	break;
 
-      if (!lex_force_match (lexer, '/'))
+      if (!lex_force_match (lexer, T_SLASH))
 	goto fail;
       dv = dv->next = pool_alloc (trns->pool, sizeof *dv);
     }
@@ -223,8 +221,8 @@ parse_numeric_criteria (struct lexer *lexer, struct pool *pool, struct criteria
       else
         return false;
 
-      lex_match (lexer, ',');
-      if (lex_match (lexer, ')'))
+      lex_match (lexer, T_COMMA);
+      if (lex_match (lexer, T_RPAREN))
 	break;
     }
   return true;
@@ -255,11 +253,11 @@ parse_string_criteria (struct lexer *lexer, struct pool *pool, struct criteria *
 	return false;
       cur = &crit->values.str[crit->value_cnt++];
       *cur = pool_alloc (pool, len + 1);
-      str_copy_rpad (*cur, len + 1, ds_cstr (lex_tokstr (lexer)));
+      str_copy_rpad (*cur, len + 1, lex_tokcstr (lexer));
       lex_get (lexer);
 
-      lex_match (lexer, ',');
-      if (lex_match (lexer, ')'))
+      lex_match (lexer, T_COMMA);
+      if (lex_match (lexer, T_RPAREN))
 	break;
     }
 
@@ -269,8 +267,8 @@ parse_string_criteria (struct lexer *lexer, struct pool *pool, struct criteria *
 /* Transformation. */
 
 /* Counts the number of values in case C matching CRIT. */
-static inline int
-count_numeric (struct criteria *crit, struct ccase *c)
+static int
+count_numeric (struct criteria *crit, const struct ccase *c)
 {
   int counter = 0;
   size_t i;
@@ -303,8 +301,8 @@ count_numeric (struct criteria *crit, struct ccase *c)
 }
 
 /* Counts the number of values in case C matching CRIT. */
-static inline int
-count_string (struct criteria *crit, struct ccase *c)
+static int
+count_string (struct criteria *crit, const struct ccase *c)
 {
   int counter = 0;
   size_t i;
@@ -326,12 +324,13 @@ count_string (struct criteria *crit, struct ccase *c)
 
 /* Performs the COUNT transformation T on case C. */
 static int
-count_trns_proc (void *trns_, struct ccase *c,
+count_trns_proc (void *trns_, struct ccase **c,
                  casenumber case_num UNUSED)
 {
   struct count_trns *trns = trns_;
   struct dst_var *dv;
 
+  *c = case_unshare (*c);
   for (dv = trns->dst_vars; dv; dv = dv->next)
     {
       struct criteria *crit;
@@ -340,10 +339,10 @@ count_trns_proc (void *trns_, struct ccase *c,
       counter = 0;
       for (crit = dv->crit; crit; crit = crit->next)
 	if (var_is_numeric (crit->vars[0]))
-	  counter += count_numeric (crit, c);
+	  counter += count_numeric (crit, *c);
 	else
-	  counter += count_string (crit, c);
-      case_data_rw (c, dv->var)->f = counter;
+	  counter += count_string (crit, *c);
+      case_data_rw (*c, dv->var)->f = counter;
     }
   return TRNS_CONTINUE;
 }
@@ -352,7 +351,7 @@ count_trns_proc (void *trns_, struct ccase *c,
 static bool
 count_trns_free (void *trns_)
 {
-  struct count_trns *trns = (struct count_trns *) trns_;
+  struct count_trns *trns = trns_;
   pool_destroy (trns->pool);
   return true;
 }